This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 11 |
| 2 | 110 |
| 3 | 1100 |
| 4 | 11000 |
| 5 | 110000 |
| 6 | 1100000 |
| 7 | 11000000 |
| 8 | 109999945 |
| 9 | 1099998900 |
| 10 | 10999983555 |
| 11 | 109999781100 |
| 12 | 1099997266500 |
| 13 | 10999967220000 |
| 14 | 109999617750000 |
| 15 | 1099995633000000 |
| 16 | 10999950885002970 |
| 17 | 109999454400086625 |